Put the ingredients in a bowl, cover them with water and place the bowl you are using on low fire. Cook the mixture for half an hour.

Wash your teeth with the resulting mixture after every meal.

3rd recipe:

Apple cider vinegar can also be used for removing plaque, but only once a week. Soak your toothbrush in apple cider vinegar and wash your teeth. Rinse thoroughly your oral cavity with water in order not to damage teeth’s enamel.